Pencil sharpener



FIG. 1 is a top and side perspective view of a pencil sharpener, showingmy new design;

FIG. 2 is a side elevational view thereof, the opposite side being amirror thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an end elevation view thereof, taken from the side opposite tothat shown in FIG. 3; and,

FIG. 5 is a top plan view thereof, the bottom plan view being a mirrorimage thereof.

The ornamental design for a pencil sharpener, as shown and described. 